Implement update host

Implemented update host functionality.
Also added test case for update host.

Partial-Implements: blueprint masakari-dashboard

Change-Id: I197440d069a1b5b49a234da8f05a01d45f222f2e

masakaridashboard/api/api.py

@@ -153,6 +153,11 @@ def delete_host(request, host_id, segment_id):
         host_id, segment_id, False)
 
 
-def get_host(request, segment_id, host_id):
+def update_host(request, host_uuid, failover_segment_id, fields_to_update):
-    """return single host."""
+    return openstack_connection(request).update_host(
+        host_uuid, failover_segment_id, **fields_to_update)
+
+
+def get_host(request, host_id, segment_id):
+    """return single host """
     return openstack_connection(request).get_host(host_id, segment_id)

masakaridashboard/hosts/forms.py

@@ -0,0 +1,71 @@
+# Copyright (c) 2018 NTT DATA
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from django.core.urlresolvers import reverse
+from django.utils.translation import ugettext_lazy as _
+
+from horizon import exceptions
+from horizon import forms
+from horizon import messages
+
+from masakaridashboard.api import api
+
+
+class UpdateHostForm(forms.SelfHandlingForm):
+
+    uuid = forms.CharField(widget=forms.HiddenInput())
+    failover_segment_id = forms.CharField(widget=forms.HiddenInput())
+    name = forms.CharField(
+        label=_('Host Name'),
+        widget=forms.TextInput(attrs={'readonly': 'readonly'}))
+    reserved = forms.ChoiceField(
+        label=_('Reserved'),
+        choices=[('False', 'False'),
+                 ('True', 'True')],
+        widget=forms.Select(
+            attrs={'class': 'switchable',
+                   'data-slug': 'available host'}),
+        required=False)
+    type = forms.CharField(
+        label=_('Type'),
+        widget=forms.TextInput(attrs={'maxlength': 255}))
+    control_attributes = forms.CharField(
+        label=_('Control Attribute'),
+        widget=forms.TextInput())
+    on_maintenance = forms.ChoiceField(
+        label=_('On Maintenance'),
+        choices=[('False', 'False'),
+                 ('True', 'True')],
+        widget=forms.Select(
+            attrs={'class': 'switchable',
+                   'data-slug': 'available host'}),
+        required=False
+    )
+
+    def handle(self, request, data):
+        try:
+            attrs = {'name': data['name'],
+                     'reserved': data['reserved'],
+                     'type': data['type'],
+                     'control_attributes': data['control_attributes'],
+                     'on_maintenance': data['on_maintenance']}
+            api.update_host(request, data['uuid'],
+                            data["failover_segment_id"], attrs)
+            msg = _('Successfully updated segment.')
+            messages.success(request, msg)
+        except Exception:
+            msg = _('Failed to update host.')
+            redirect = reverse('horizon:masakaridashboard:hosts:index')
+            exceptions.handle(request, msg, redirect=redirect)
+        return True

masakaridashboard/hosts/tables.py

@@ -64,6 +64,18 @@ class DeleteHost(tables.DeleteAction):
             exceptions.handle(self.request, msg, redirect=redirect)
 
 
+class UpdateHost(tables.LinkAction):
+
+    name = "update"
+    verbose_name = _("Update Host")
+    classes = ("ajax-modal",)
+
+    def get_link_url(self, datum):
+        host_id = datum.uuid+','+datum.failover_segment_id
+        url = "horizon:masakaridashboard:hosts:update"
+        return reverse(url, args=[host_id])
+
+
 class HostTable(tables.DataTable):
 
     name = tables.Column('name', verbose_name=_("Name"),
@@ -71,8 +83,7 @@ class HostTable(tables.DataTable):
     uuid = tables.Column('uuid', verbose_name=_("UUID"))
     reserved = tables.Column(
         'reserved', verbose_name=_("Reserved"))
-    type = tables.Column(
+    type = tables.WrappingColumn('type', verbose_name=_("Type"))
-        'type', verbose_name=_("Type"))
     control_attributes = tables.Column(
         'control_attributes', verbose_name=_(
             "Control Attribute"), truncate=40)
@@ -89,3 +100,4 @@ class HostTable(tables.DataTable):
         name = "host"
         verbose_name = _("Host")
         table_actions = (HostFilterAction, DeleteHost)
+        row_actions = (UpdateHost,)

masakaridashboard/hosts/templates/hosts/_update.html

@@ -0,0 +1,6 @@
+{% extends "horizon/common/_modal_form.html" %}
+{% load i18n %}
+{% block modal-body-right %}
+<h3>{% trans "Description:" %}</h3>
+<p>{% trans "Modify reserved, type, on_maintenance and control_attributes of a host." %}</p>
+{% endblock %}

masakaridashboard/hosts/templates/hosts/update.html

@@ -0,0 +1,7 @@
+{% extends 'base.html' %}
+{% load i18n %}
+{% block title %}{% trans "Update Host" %}{% endblock %}
+
+{% block main %}
+  {% include 'masakaridashboard/hosts/_update.html' %}
+{% endblock %}

masakaridashboard/hosts/tests.py

@@ -35,6 +35,7 @@ class HostTest(test.TestCase):
                 return_value=hosts):
             res = self.client.get(INDEX_URL)
         self.assertTemplateUsed(res, 'masakaridashboard/hosts/index.html')
+        self.assertEqual(res.status_code, 200)
 
     def test_create_post(self):
         segment = self.masakari_segment.list()
@@ -47,9 +48,9 @@ class HostTest(test.TestCase):
             'segment_name': segment[0].name,
             'name': host.name,
             'type': host.type,
-            'reserved': '1',
+            'reserved': host.reserved,
             'control_attributes': host.control_attributes,
-            'on_maintenance': '0'
+            'on_maintenance': host.on_maintenance
         }
         with mock.patch('masakaridashboard.api.api.segment_list',
                         return_value=segment), mock.patch(
@@ -107,3 +108,45 @@ class HostTest(test.TestCase):
         self.assertTemplateUsed(res, 'horizon/common/_detail.html')
         self.assertTemplateUsed(
             res, 'masakaridashboard/hosts/_detail_overview.html')
+
+    def test_update(self):
+        host_to_update = self.masakari_host.list()[0]
+        id_to_update = (
+            host_to_update.uuid+','+host_to_update.failover_segment_id)
+        update_url = reverse('horizon:masakaridashboard:hosts:update',
+                             args=[id_to_update])
+        host_to_update.control_attributes = 'fake'
+        form_data = {
+            'failover_segment_id': host_to_update.failover_segment_id,
+            'uuid': host_to_update.uuid,
+            'name': host_to_update.name,
+            'type': host_to_update.type,
+            'reserved': host_to_update.reserved,
+            'control_attributes': host_to_update.control_attributes,
+            'on_maintenance': host_to_update.on_maintenance
+        }
+        with mock.patch(
+                'masakaridashboard.api.api.get_host',
+                return_value=self.masakari_host.list()[0]), mock.patch(
+                'masakaridashboard.api.api.update_host',
+                return_value=host_to_update) as mocked_update:
+            res = self.client.post(update_url, form_data)
+
+        self.assertNoFormErrors(res)
+        self.assertEqual(res.status_code, 302)
+        self.assertRedirectsNoFollow(res, INDEX_URL)
+
+        fields_to_update = {
+            'name': host_to_update.name,
+            'type': host_to_update.type,
+            'reserved': host_to_update.reserved,
+            'control_attributes': host_to_update.control_attributes,
+            'on_maintenance': host_to_update.on_maintenance
+        }
+
+        mocked_update.assert_called_once_with(
+            mock.ANY,
+            host_to_update.uuid,
+            host_to_update.failover_segment_id,
+            fields_to_update
+        )

masakaridashboard/hosts/urls.py

@@ -21,4 +21,5 @@ HOST = r'^(?P<host_id>[^/]+)/%s$'
 urlpatterns = [
     url(r'^$', views.IndexView.as_view(), name='index'),
     url(HOST % 'detail', views.DetailView.as_view(), name='detail'),
+    url(HOST % 'update', views.UpdateView.as_view(), name='update'),
 ]

masakaridashboard/hosts/views.py

@@ -14,14 +14,17 @@
 
 from django.conf import settings
 from django.core.urlresolvers import reverse
+from django.core.urlresolvers import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
 from horizon import exceptions
+from horizon import forms
 from horizon import tables
 from horizon import tabs
 from horizon.utils import memoized
 
 from masakaridashboard.api import api
+from masakaridashboard.hosts import forms as host_forms
 from masakaridashboard.hosts import tables as masakari_tab
 from masakaridashboard.hosts import tabs as host_tab
 
@@ -74,7 +77,10 @@ class DetailView(tabs.TabbedTableView):
         segment_id = row_data[1]
         host_id = row_data[0]
         try:
-            host = api.get_host(self.request, segment_id, host_id)
+            row_data = self.kwargs['host_id'].split(',')
+            segment_id = row_data[1]
+            host_id = row_data[0]
+            host = api.get_host(self.request, host_id, segment_id)
         except Exception:
             msg = _('Unable to get host "%s".') % host_id
             redirect = reverse('horizon:masakaridashboard:hosts:index')
@@ -88,3 +94,47 @@ class DetailView(tabs.TabbedTableView):
     def get_tabs(self, request, *args, **kwargs):
         host = self.get_data()
         return self.tab_group_class(request, host=host, **kwargs)
+
+
+class UpdateView(forms.ModalFormView):
+    template_name = 'masakaridashboard/hosts/update.html'
+    modal_header = _("Update Host")
+    form_id = "update_host"
+    form_class = host_forms.UpdateHostForm
+    submit_label = _("Update")
+    submit_url = "horizon:masakaridashboard:hosts:update"
+    success_url = reverse_lazy("horizon:masakaridashboard:hosts:index")
+    page_title = _("Update Host")
+
+    @memoized.memoized_method
+    def get_object(self):
+        try:
+            row_data = self.kwargs['host_id'].split(',')
+            host_id = row_data[0]
+            segment_id = row_data[1]
+            host = api.get_host(self.request, host_id, segment_id)
+            return host
+        except Exception:
+            msg = _('Unable to retrieve host.')
+            redirect = reverse('horizon:masakaridashboard:hosts:index')
+            exceptions.handle(self.request, msg, redirect=redirect)
+
+    def get_context_data(self, **kwargs):
+        context = super(UpdateView, self).get_context_data(**kwargs)
+        context['submit_url'] = reverse(
+            self.submit_url,
+            args=[self.kwargs['host_id']]
+        )
+
+        return context
+
+    def get_initial(self, **kwargs):
+        host = self.get_object()
+
+        return {'name': host.name,
+                'reserved': host.reserved,
+                'type': host.type,
+                'control_attributes': host.control_attributes,
+                'on_maintenance': host.on_maintenance,
+                'uuid': host.uuid,
+                'failover_segment_id': host.failover_segment_id}

masakaridashboard/segments/forms.py

@@ -118,8 +118,8 @@ class AddHostForm(forms.SelfHandlingForm):
                              choices=[])
     reserved = forms.ChoiceField(
         label=_('Reserved'),
-        choices=[('0', 'False'),
+        choices=[('False', 'False'),
-                 ('1', 'True')],
+                 ('True', 'True')],
         widget=forms.Select(
             attrs={'class': 'switchable',
                    'data-slug': 'available host'}),
@@ -136,8 +136,8 @@ class AddHostForm(forms.SelfHandlingForm):
         help_text=_("Attributes to control host."))
     on_maintenance = forms.ChoiceField(
         label=_('On Maintenance'),
-        choices=[('0', 'False'),
+        choices=[('False', 'False'),
-                 ('1', 'True')],
+                 ('True', 'True')],
         widget=forms.Select(
             attrs={'class': 'switchable',
                    'data-slug': 'available host'}),

masakaridashboard/test/test_data/masakari_data.py

@@ -44,10 +44,10 @@ def data(TEST):
     TEST.masakari_host = test_data_utils.TestDataContainer()
 
     host1 = host.Host(uuid=uuidsentinel.host1, name="test",
-                      reserved=True, type='service',
+                      reserved='True', type='service',
                       control_attributes='test',
                       failover_segment_id=uuidsentinel.segment1,
-                      on_maintenance=False)
+                      on_maintenance='False')
 
     TEST.masakari_host.add(host1)